functionality. Just return false when using javascript:digibug_popup was not
enough from having the browser switch pages and show a page with the word false.
Using an event handler allows us to call event.preventDefault which cancels the
page switch.
1) Eliminate digibug_album.html
2) Get rid of the $(document).ready() in digibug.js and rename popUp() to
digibug_popup() then just make direct calls to digibug_popup() in the
menu urls.
2) Remove most of the marketing cruft on the admin pages
3) Change the name of the admin settings to just Digibug
4) Remove the "switch on mouseover" approach
